package com.icss.day01;

public class Test4 {
    public static void main(String[] args) {
        System.out.println(1);
        a();
        System.out.println(2);
        int[] a;
        a = new int[3];
        System.out.println(a);

        int[][] a1 = new int[3][3];
//        for (int[] item: a1) {
//            System.out.println(item);
//        }

        for (int i = 0; i < a1.length; i++) {
            for (int j = 0; j < a1[i].length;j ++) {
                System.out.print(a1[i][j] + "\t");
            }
            System.out.println();
        }
    }

    private static void a() {
        System.out.println(3);
        b();
        System.out.println(4);
    }

    private static void b() {
        System.out.println(5);
    }
}
